Chemistry Question Bank

Which of the following is a pseudo solid

Which of the following is an example of metallic crystal solid

Which of the following is an example of ionic crystal solid

Which one of the following forms a molecular solid when solidified?

Which of the following is non-crystalline solid

NaCl is an example of

In ccp arrangement the pattern of successive layers can be designated as

In graphite, carbon atoms are joined together due to

Which of the following is a molecular crystal

Particles of quartz are packed by

Mostly crystals show good cleavage because their atoms, ions or molecules are

A crystalline solid

Among solids the highest melting point is established by

Which of the following is an example of covalent crystal solid

For a solid with the following structure, the co- ordination number of the point B is

Amorphous substances show (1) Short and long range order (2) Short range order (3) Long range order (4) Have no sharp M.P.

Amorphous solids are

Crystalline solid is

The total volume of atoms present in face-centred cubic unit cell of a metal is (r is atomic radius) (a) r (b) r (c) r (d) r

Diamond is an example of

The formula for determination of density of unit cell is (a) a N g cm N M A x x (b) M g cm a N A Z x x (c) a M g cm N N A x x (d) M N g cm a N A x x

The intermetallic compound LiAg crystallizes in cubic lattice in which both lithium and silver have coordination number of eight. The crystal class is

In a cubic lattice of ABC, A atoms are present at all corners except one corner which is occupied by B atoms. C atoms are present at face centers. The formula of the compound is

An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the faces of the cube. The empirical formula for this compounds would be

If the coordination number of Ca²⁺ in CaF₂ is 8, then the coordination number of F– ion would be